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Table 1 Baseline characteristics of patients included in the study by readmission status over 365 days.

From: Psychosocial risk factors for hospital readmission in COPD patients on early discharge services: a cohort study

  All Not readmitted Readmitted p-value
Subjects n 79 19 60  
Age yrs 65.3 ± 9.9 61.2 ± 8.7 66.6 ± 10.0 0.036
Sex     
male n (%) 44 (56) 10 (23) 34 (77) 0.965
female n (%) 35 (44) 9 (26) 26 (74)  
Carstairs score 5.48 ± 3.14 5.52 ± 3.5 5.47 ± 3.0 0.952
Smoking status     
Current n (%) 37 (47) 12 (32) 25 (68) 0.170
Ex/Never n (%) 42 (53) 7 (17) 35 (83)  
Home ownership     
yes (%) 48 (61) 7 (23) 24 (77)  
no (%) 31 (39) 12 (25) 36 (75) 0.806
FEV1% predicted 42.2 ± 18.4 54.0 ± 19.8 38.4 ± 16.4 0.001
Previous COPD admission     
yes (%) 66 (83) 12 (18) 54 (82)  
no (%) 13 (17) 7 (54) 6 (46) 0.017
Age adjusted CCI 3.0 (3-4) 3.0 (2-4) 3.0 (3-4.75) 0.058
SGRQ total 58.8 ± 14.6 56.77 ± 13.7 59.51 ± 14.9 0.480
HADS-Anxiety 8.8 ± 4.3 9.47 ± 4.6 8.53 ± 4.2 0.407
HADS-Depression 7.0 ± 3.8 5.58 ± 3.5 7.45 ± 3.8 0.060
HADS-Total 15.8 ± 7.0 15.05 ± 7.2 15.98 ± 6.9 0.615
ESSI total 29 (22-32) 30 (25-32) 27 (21-32) 0.372
  1. All data are presented as mean ± SD, median (interquartile range) or number and %. The p-value corresponds to the results from the t-test (mean ± SD) or Mann-Whitney test (median, interquartile range) for continuous variables and the chi-square test for categorical variables.
  2. CCI: Charlson Comorbidity Index; ESSI: Enhancing Recovery in Coronary Heart Disease Social Support Inventory; FEV1: forced expiratory volume in 1 second; HADS: Hospital Anxiety and Depression Scale; IQR: Interquartile range; SGRQ: St George's Respiratory Questionnaire.